Radius Ratio Solution

STEP 0: Pre-Calculation Summary
Formula Used
Radius Ratio = Radius of Cation/Radius of Anion
Rratio = Rc/Ra
This formula uses 3 Variables
Variables Used
Radius Ratio - The Radius Ratio is the ratio of radius of cation to radius of anion.
Radius of Cation - (Measured in Meter) - The Radius of Cation is the radius of the positively charged ion in the crystal structure.
Radius of Anion - (Measured in Meter) - The Radius of Anion is the radius of negatively charged ion in the crystal.
STEP 1: Convert Input(s) to Base Unit
Radius of Cation: 65 Angstrom --> 6.5E-09 Meter (Check conversion ​here)
Radius of Anion: 51.5 Angstrom --> 5.15E-09 Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Rratio = Rc/Ra --> 6.5E-09/5.15E-09
Evaluating ... ...
Rratio = 1.2621359223301
STEP 3: Convert Result to Output's Unit
1.2621359223301 --> No Conversion Required
FINAL ANSWER
1.2621359223301 1.262136 <-- Radius Ratio
(Calculation completed in 00.004 seconds)

Credits

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Created by Pragati Jaju
College Of Engineering (COEP), Pune
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Verified by Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
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Radius Ratio Formula

Radius Ratio = Radius of Cation/Radius of Anion
Rratio = Rc/Ra

What is Radius Ratio?

The ratio of the radius of the smaller ion to that of the larger; commonly cation to anion. Radius ratios are used to predict coordination numbers of anions about cations in ionic crystal structures.

How to Calculate Radius Ratio?

Radius Ratio calculator uses Radius Ratio = Radius of Cation/Radius of Anion to calculate the Radius Ratio, The Radius Ratio formula is defined as the ratio of radius of cation to the radius of anion. It is used to predict the coordination number. Radius Ratio is denoted by Rratio symbol.

How to calculate Radius Ratio using this online calculator? To use this online calculator for Radius Ratio, enter Radius of Cation (Rc) & Radius of Anion (Ra) and hit the calculate button. Here is how the Radius Ratio calculation can be explained with given input values -> 1.262136 = 6.5E-09/5.15E-09.

FAQ

What is Radius Ratio?
The Radius Ratio formula is defined as the ratio of radius of cation to the radius of anion. It is used to predict the coordination number and is represented as Rratio = Rc/Ra or Radius Ratio = Radius of Cation/Radius of Anion. The Radius of Cation is the radius of the positively charged ion in the crystal structure & The Radius of Anion is the radius of negatively charged ion in the crystal.
How to calculate Radius Ratio?
The Radius Ratio formula is defined as the ratio of radius of cation to the radius of anion. It is used to predict the coordination number is calculated using Radius Ratio = Radius of Cation/Radius of Anion. To calculate Radius Ratio, you need Radius of Cation (Rc) & Radius of Anion (Ra). With our tool, you need to enter the respective value for Radius of Cation & Radius of Anion and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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